diff --git a/composer.json b/composer.json
index c6bb955..07f62c6 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     "require-dev": {
         "doctrine/coding-standard":                     "^11.0.0",
         "laminas/laminas-cache-storage-adapter-memory": "^2.2.0",
-        "phpunit/phpunit":                              "^9.5.27",
+        "phpunit/phpunit":                              "^10.0.16",
         "roave/infection-static-analysis-plugin":       "^1.27.0",
         "vimeo/psalm":                                  "^5.4.0"
     },